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132423421 = 13172232687
BaseRepresentation
bin1111110010010…
…01111011111101
3100020011210210011
413321021323331
5232400022141
621050143221
73165403054
oct771117375
9306153704
10132423421
1168827749
1238421b11
1321586870
141383139b
15b95b881
hex7e49efd

132423421 has 16 divisors (see below), whose sum is σ = 151732224. Its totient is φ = 114488064.

The previous prime is 132423409. The next prime is 132423427. The reversal of 132423421 is 124324231.

It is not a de Polignac number, because 132423421 - 29 = 132422909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132423392 and 132423401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132423427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47940 + ... + 50626.

It is an arithmetic number, because the mean of its divisors is an integer number (9483264).

Almost surely, 2132423421 is an apocalyptic number.

It is an amenable number.

132423421 is a deficient number, since it is larger than the sum of its proper divisors (19308803).

132423421 is a wasteful number, since it uses less digits than its factorization.

132423421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940.

The product of its digits is 1152, while the sum is 22.

The square root of 132423421 is about 11507.5375732604. The cubic root of 132423421 is about 509.7081772771.

Adding to 132423421 its reverse (124324231), we get a palindrome (256747652).

The spelling of 132423421 in words is "one hundred thirty-two million, four hundred twenty-three thousand, four hundred twenty-one".

Divisors: 1 13 17 221 223 2687 2899 3791 34931 45679 49283 593827 599201 7789613 10186417 132423421